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9th-grade-vocabulary-words

English Vocabulary · Grade 9 Live Review Preview

9th Grade Vocabulary Words

Ninth grade marks the transition to high-school reading and writing across literature, argument, research, biology, physical and Earth science, algebra, computing, world history, civics, and geography. This level develops precise academic and domain-specific vocabulary while strengthening context, nuance, source evaluation, figurative language, and evidence-based communication.

This independently authored 800-word beta curriculum is arranged in twenty-three pages of up to thirty-five words. Pages containing words 1–500 include five cloze questions drawn only from that enhanced range; words 501–800 remain fully visible and editable as list pages while the expanded practice layer is developed. Each row includes a subject-field label and an editable word-study note about a transparent affix, compound structure, capitalization, or dictionary base form. The cited Grade 9 resources calibrate difficulty and study skills only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.

Please note: the vocabulary lists for grades 9~11 have been selected to ensure no overlap with the previous grade level. If the words are too specialized or difficult for you, please go back to grade levels 4~8 and review the words on those pages.

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800 words
Words 701–735 of 800
#WordDetailsMeaningSample sentence
701accessibleadjective
Study

Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.

1. 접근 가능한 2. 이용하기 쉬운The museum provides an accessible entrance and captions for its videos.
702accountableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

책임이 있는Elected officials are accountable to the public.
703context-sensitiveadjective
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Field: Grade 9 precise high-utility word

Word study: Term structure: context + sensitive. Study the complete expression as one field-specific unit.

상황에 맞는The translation tool is context-sensitive and distinguishes bank as land from bank as an institution.
704administrativeadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

행정The principal assigned the scheduling issue to administrative staff.
705advisoryadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: advisory is the dictionary headword; compare its inflected or derived forms in context.

1. 권고성의 2. 주의보 성격의The weather agency issued an advisory notice about dangerous heat.
706aggregatedadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: aggregated is the dictionary headword; compare its inflected or derived forms in context.

집계된The report protects privacy by publishing only aggregated data.
707substitutableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

대체 가능The two components are not substitutable because they require different voltages.
708estimatedadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: estimated is the dictionary headword; compare its inflected or derived forms in context.

추정된The estimated repair cost may change after workers open the wall.
709authoritativeadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

권위 있는The archive's catalog is an authoritative source for the manuscript's history.
710advantageousadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.

이롭다The sheltered harbor is advantageous for ships during storms.
711serviceableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

1. 사용 가능한 2. 쓸 만한Although scratched, the old microscope remains serviceable.
712collaborativeadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

협력적인The collaborative project combines local knowledge with satellite data.
713compatibleadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.

호환 가능The replacement part is compatible with the original machine.
714consecutiveadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

연이은The river exceeded flood level for three consecutive days.
715constructiveadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

건설적인The reviewer offered constructive criticism with specific revision ideas.
716controversialadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: controversial is the dictionary headword; compare its inflected or derived forms in context.

논쟁의 여지가있는The controversial proposal would relocate several families.
717mutually supportiveadjective
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Field: Grade 9 precise high-utility word

Word study: Term structure: mutually + supportive. Study the complete expression as one field-specific unit.

서로를 지지하는The two programs are mutually supportive because one trains workers and the other creates jobs.
718deficientadjective
Study

Field: Grade 9 precise high-utility word

Word study: Base-form focus: deficient is the dictionary headword; compare its inflected or derived forms in context.

부족한The diet was deficient in vitamin C.
719characteristicadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: characteristic is the dictionary headword; compare its inflected or derived forms in context.

1. ~의 특징인 2. 특유의Dark volcanic soil is characteristic of the island.
720detectableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

감지 가능The chemical is detectable in water at very low concentrations.
721developmentaladjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: developmental is the dictionary headword; compare its inflected or derived forms in context.

발달상의The study examines developmental differences between early and late adolescence.
722pluralisticadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: pluralistic is the dictionary headword; compare its inflected or derived forms in context.

다원적인A pluralistic society allows different religious communities to participate in public life.
723effectiveadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

효과적인The new filter is effective at removing lead.
724emergentadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: emergent is the dictionary headword; compare its inflected or derived forms in context.

나타나는Traffic patterns are an emergent result of many individual driving decisions.
725emphaticadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: emphatic is the dictionary headword; compare its inflected or derived forms in context.

1. 단호한 2. 힘주어 표현한Her emphatic refusal left no doubt about her position.
726enforceableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

집행 가능한A vague promise may not be enforceable as a contract.
727exclusiveadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

독점적인The interview contains exclusive information not reported elsewhere.
728explanatoryadjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: explanatory is the dictionary headword; compare its inflected or derived forms in context.

설명적인An explanatory caption describes how the machine works.
729exploitativeadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

착취적인The investigation exposed exploitative labor conditions.
730adjustableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

조절할 수 있는The desk has an adjustable height.
731inclusiveadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

1. 포용적인 2. 모두를 고려하는The inclusive survey provides several ways to respond.
732inescapableadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.

피할 수 없는The financial cost is an inescapable part of the decision.
733innovativeadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

혁신적인The innovative roof collects rainwater and cools the building.
734institutionaladjective
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Field: Grade 9 precise high-utility word

Word study: Base-form focus: institutional is the dictionary headword; compare its inflected or derived forms in context.

제도적Institutional rules can continue even after individual leaders change.
735interactiveadjective
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Field: Grade 9 precise high-utility word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

인터랙티브The interactive map displays new information when a region is selected.

Vocabulary chart page

This page focuses on the word chart. Reading passages appear once in each three-page group, while cloze quizzes remain in the established enhanced range for this level.

Sources and curriculum references

These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.